Common features
Module type
I/O module
Differences
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Interfaces
Serial ports
Wireless communication
USB
RS-485
Radio
RF-87K5
 
 
RF-87K9
 
 
RU-87P1
 
 
RU-87P2
 
 
RU-87P4
 
 
RU-87P8
 
 
USB-87P1
 
 
USB-87P2
 
 
USB-87P4
 
 
USB-87P8
 
 
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